Forging machine



July 31, 1628. 1,679,125

W. H. WINEMAN FORGING MACHINE .Fil ed March 17. 1916 4 Sheets-Sheet 1 Fig.1

I fi/vewi/or Wade mnema/n,

fi /M July 31 1928.

Filed March 17, 1916 4 Sheets-Sheet 2 w mm Q\ f m m R w mw mm M, Q) a I NN -m 0 o? E mm Q M 9m M WNN Inventor: WadeH'. mneman,

b M; y fi fl Mr t July 31, 1928. 1,679,125

W. H. WINEMAN FORGING MACHINE Filed March 17. 1916 4 Sheets-Sheet 3 I nveu/Zor:

VIIIIIII/I Wade H Wi/fi/t? mar/w, MM gg W. H. WINEMAN' FORGING MACHINE July 31 Filed March 17. 1916 4 Sheets-Sheet Inventor.- WadeH Winery/w, by v I f Patented July 31, 1928;

UNITED STATES 1,679,125 PATENT OFFICE.

WADE H. \VINEMAN, OF CHICAGO, ILLINOIS, ASSIGNOR TO SULLIVAN MACHINERY COMPANY, OF BOSTON, MASSACHUSETTS, A COREOR-ATION OF MASSACHUSETTS.

FOR-GING MACHINE.

Application filed March 17, 1916. Serial No 84,960.

This invention relates to forging machines and more specifically to the type of machines used for making, sharpening andreforming drill bits. The obj ect of my invention is to improve devices of this kind so as to make them more efficient in operation and more safe to use.

My invention will be best understood by reference to the following description taken in connection with the accompanying drawings which show one illustrative embodiment of my invent-ion and wherein:

Fig. 1 is aside elevation of the forging machine, part of the frame being removed to show some of the interior structure;

Fig. 1 isa plan of a small portion of the machine;

Fig. 2 is a central longitudinal section;

Fig. 3 is a transverse section on the line 3-3 of Fig. 1;

Fig. 4 is a side view partly in section showing details on the work-holding clamp and one of the forging engines;

Fig. 5 is a plan view of what is shown in Fig. 4 the forging engine being removed;

Fig. 6 is a vertical section of the other forging mechanisms taken substantially along the line 66 of Fig. 1; v

Fig. 7 is aside elevation of the main valve chest; and I Fig. 8 is a section on the line 88 of Fig. 7.

In order that my invention may be more clearly understood I will first describe in a general way the make-up of the illustrative machine shown without entering into a detailed description of the various parts mentioned. Referring therefore to Figs. 1 and 2 which are general views of one form of my improved forging machine, it will be seen that I have provided a suitable frame 1 which carries a number of mechanisms. These mechanisms include a work-holder or clamp 2 which is operated to grip or re lease the work by pressure fluid actuated mechanism comprising a cylinder 3 and a piston 3 therein (Fig. 2); and pressure fluid actuated forging mechanism 4- adapted to act on the work when held by the clamp 2. The cylinder 3 and the forging engine 4 are preferably arranged one above the other and may be controlled from a common valve chest 5. I also provide a second forging mechanism including an anvil or work holder 6 preferably disposed in line with the opening of the clamp 2 and a pressure fluid actuated hammer 7 adapted to act on work held on the anvil 6. On release of the clamping means 2 the drill bit or other device which is being operated on can be given a simple movement of translation and willbe brought into position for operation thereon of the vertically, disposed forging mechanism 7. For convenience in description I shall refer hereafter to the mechanism 4 as the horizontal hammer and mechanism 7 as the vertical hammer as by such specific descriptive names the mechanisms shown will be most readily recognized in the course of the description.

Referring now in greater detail to the construction of the various mechanisms which have been named above and considering first the work-holding member or clamp 2, I will refer particularly to Figs. 2 and 3. This clamp in the present embodiment of the invention comprises a lower jaw 8 integral with the frame. Passing vertically through this lower aw are two vertical standard rods or columns 9 best shown in Fig. 3 for which the jaw 8 and adjacent parts of the frame provide a long rigid hearing. The rods 9 are threaded adjacent each end, and the upper threaded portions engage threaded openings in the upper jaw 10 of the holding clamp, the extreme upper ends 11 of said rods being formed non-circular, whereby said rods may be conveniently turned to raise or lower the jaw 10 and thereby adjust the eflective, length of the rods. Secured to the lower ends of the rods or columns 9 is a cross head 12 fastened'by nuts14. The jaws 8 and 10 of the work-holding clamp are recessed as shown at 15 to receive suitable dies to shape the steel which is being forged, as will be well .understood by those familiarwith the art. The jaws are opened and closed by the action on the cross head 12 of a toggle mech- V .anism actuated by the piston 3. As shown in Fig. 2 this toggle mechanism comprises a cross head block 15, carried by the piston rod .3 of the piston 8 and sliding on the under side of the frame, and a togglelink 16 pivoted to the block 15 and to the cross head 12. It will be apparent from an inspection of the figure that when the piston 3 is moved to the left in the cylinder 3 the cross head 12 will be raised and the jaws opened, and that when it is moved to the right the cross head will be depressed and the aws shut. The adjustment provided for by the threaded engagement of the rods 9 with the jaw 10 permits the tight .closlng of the clamp in spite of variations in the action of the toggle mechanism due to wear or otherwise, it only being necessary to turn the rods 9 by means of their non-circular ends 11 to adjust the parts vertically as desired. As shown, a suitable spanner or wrench 11 is provided for engaging and turning the ends 11 of the rods 9, and s disposed over both of the same when not in use in such a manner as to prevent accidental turning thereof.

The work which is held, as explained, in suitable dies in the work-holding clamp 2 is operated on by the forging mechanism 4: referred to herein for convenience as a horizontal hammer. This forging mechanism embodies a pressure fluid actuated motor having a hammer piston. The motor is controlled by a piston valve and the arrangement is such that the hammer piston will be continuously reciprocated as long as fluid is admitted to the valve chest. Such mechanisms are well known and are common in hammer drills and for a detailed description of one such. device, I refer to United States Pa ent No. 1,063,194, June 3, 1913. The cylinder of this mechanism is shown at 19 and the valve chest at 20. The cylinder 19 carries a distance piece or rod 21 on the inner end of which the floating or hammer piston delivers percussive blows. The forward end of'this distance piece is formed to engage a recess in the rear end of a dolly 22 which operates directly on the work held by the clamp 2, the blows of the hammer being transmitted through said distance piece to said dolly. Preferably, a bifurcated stop or spacing member 23 is hinged on the front end of the cylinder and may be swung into a position in the rear ofthe dolly 22 as shown. This step or spacing member serves to prevent unnecessary movement of the dolly by limiting the rearward move-' ment thereof. When, however, it is desired to remove the dolly, the stop 23 may be moved out of the way, thereby permitting the dolly an additional range of movement sufficient to disengage the same from the distance piece 21.

I will now complete the description of the first forging mechanism, which comprises the worleholding clamp 2 and the horizontal hammer a, by describing the course of the operations thereof, omitting for the time being reference to the particular devices by which such operations are brought about. Both the clamping cylinder 3 and the horizontal hammer 4 are operated by suitable pressure fluid, such as compressed air, and preferably are controlled from a single valve ne7a125 chest and by a single valve member. In Fig. 1 the valve chest is shown at 5 and the fluid enters through an inlet passage 26' (see Fig. 7) controlled by the globe valve 27 (Fig. 1). Referring now more particularly to Figs. 7 and 8, which show the details of the valve, the fluid continues along the passage 28 and is in part conducted from the port 29 which mer 4 are controlled by a single valve member reciprocating in the chest 5. This valve member includes the D-shaped part 33 to control the clamping cylinder 3 and the plate 3% sliding in guide ways 35 and adapted to cover and uncover the port 31 leading to the horizontal hammer. To connect these two members the D valve member 33 is providec with a cylindrical recess 36 which receives the perforated cylindrical projection 37 on the plate 34: which projection telescopes therewith. Within the member 3? and bean ing against the top of the member 33 is an expansion spring 38 which yieldingly presses apart the members 33 and 3 1 and holds them firmly against their seats about the respective valve ports. The arrangement of these various ports can be best understood by reference to the operations which take place at different stages of movement of the valve. Supposing the valve to be in the extreme right hand position as shown in Fig. 8, the compressed air entering into the port 30 will enter the port 39 and be admitted through the passage'39 to the front of the clamp cylinder 3, moving the piston toward the left from the position'shown in Fig. 2, so that the clamp will be opened. it will be noted further that the port 31 to the heriz'ontal hammer is closed. Upon movement of the valve to the left the port- 39 will be closed and the port/10 uncovered and air will pass through the port 410 and passage 41 to the rear of the cylinder 3 and will push the piston to the right thereby closing the clamp. At the same time the port 39 will be in communication with the exhaust passage 42. When the clamp is completely closed the port 31 will still be closed and only on further movement of the valve to the left will the port 31 be opened and air admitted therethrough to operate the heri zontal hammer. On reverse movement of the valve the port 31 is first closed, stopping the horizontal hammer while the port 39 the left end of the clamping cylinder is still shut.

The

Bull

. can commence its operation.

The port is then closed. and the cylinder 3 exhausts through the passages 40 and 42 as the port 39 is uncovered to open the clamp. g It will be apparent from this description that the construction of the mechanism necessitates the complete closing of the workholding clamp before the horizontal hammer Consequently there is no danger of loose work being struck by the horizontal hammer and causing any injury, and, there being but a single valve member, the timed operation of theseveral parts is positively ensured.

Referring now first to Figs. 7 and 8 and then to Figs. 3, 4 and 5, another feature of my invention which can be most conveniently described in connection with the cycle of operations of the valve will be explained. The feature referred to consists broadly in utilizing fluid from the cylinders for the purpose of cleaning the surfaces of the mechanism and for causing thorough lubrication. Referring to Figs. 7 and 8, it will be seen that the exhaust from the clamping cylinder is led partly through the passage 43 which opens to the interior of the frame and partly to the passage 44. The passage 44 is connected, as shown in Fig. 4, with a conduit or pipe 45, which communicates with a'passage 46 in the lower clamp jaw 8. In communication with this passage 46 are cored passages 47 surrounding the vertical columns 9 and the passage terminates in the vertical nozzle 48 (see Fig. 4) which has an opening directed downwardly toward the clamping face of the lower jaw 8 of the clamp member 2. It will be apparent that when the clamp is opened the exhaust air from the cylinder 3 will pass through the pipe and blowing through the cored passages about the columns 9 will thoroughly clean these columns and will finally be discharged across theface'of the die on the lower jaw of the clamp, thus cleaning the same and preventing the accumulation of any scale or dirt. Preferably I introduce lubricant into the fluid used by the machine, as by means of the plug oiler 49, in Fig. 1 and the oil will be carried through the cylinders and on the discharge of the exhaust about the columns ,9 will thoroughly lubri- V cate the same.

The exhaust from the horizontal hammer is here shown as discharging through the passages 50 shown in Figs. 5 and 2 into the interior chamber 51 of the frame. The oil here separates from the air and the rib 52 on the floor of the chamber causes it to back up and it will pass by gravity through perforations 53 and lubricate the toggle mechanism. Suitable recesses 54 are provided 7 in the top of the block 15 to retain the oil.

To convey lubricant from the surface of the block to the toggle link 161 preferably perforate the block with a channel 55 leading to the pivot of the link. On the further side of the rib 52 a further outlet 56 from the chamber 51 is provided preferably communicating with a recess 57 at the angle where the block 15 abuts the frame atthe-end of its movement. through this passage will keep a clear seat for the block at the end of its movement and ensure proper closure of the clamp 2.

I will now explain the construction ofthe vertical or swaging hammer 7 and in doing so will refer more particularly-to Figs. 1 and 6. This forging mechanism comprises a work-holder or anvil 6 and the hammer The anvil 6 preferably comprises a base block 58 which may be and preferably is dove-tailed into the frame 1, which base block 58is channeled as shown at- 59 to receive the rib 60 of a lower die member61. The provision of the base block is very important as it can be made of material which will not be injured by the shocks incident to changing the die 61, as would be the frame 1 if the die were directly fastened to it. Rising from the frame 1 adjacent work-holder 6 is a hollow standard .62 which carries the hammer 7 vertically above the workholder 58. The hammer 7 does not require an extended description as it is a fluid motor of the kind commonly used in reciprocating rock drills and for a more extended description of such a motor reference may be had to the patent referred to above. The piston rod 62 of this hammer carries a guide block 63 received in guides 64 on the standard 62 and in this guide block may be removably secured a die 65 to cooperate with the die 61.

The fluid is led from the main supply passage controlled by the valve 27 through the port 29 referred to in the description of Fig. 8 and the pipe 66 to the valve chest 67 of the Vertical hammer. Live fluid is normally maintained at the under side of the piston'of the vertical hammer thus holding the die 65 elevated. This is accomplishedv by a stop member journalled at 68 and engaging with the rod 69 which holds elevated the piston valve controlling the motor. This stop member is held in position through the operating rod 70 which is sustained by the spring 71 interposed between the collar 72 o'nthe rod and the shoulder 73 on the frame of the machine. When the operating rod 70 is de pressed in any way, as for example by means of the foot lever 74, the stop member is rocked away from rod releasing the valve, and the piston begins to reciprocate and the hammer to strike. V H

The exhaust fluid'from the, vertical hammer may be utilized to clean the dies 61 and for this purpose it is discharged through the ports 75 into the interior of the hollow standard 62 whence it passes through the passage 76 and is blown over th'eface of The exhaust air blowing-' the die 61. I have shown an adjustable blow-off valve 77 on the vertical standard permitting the Supply of a greater or less portion of the exhaust fluid to the discharge opening 76.

The vertical hammer may be controlled as has been described, by means of the foot vlever 74, connected to the rod by means of a cross bar extending across the end of the machine. This lever is normally held elevated by the spring 71. Pivoted near the same end of the machine I show a hand lever 76 which is connected to the rod 77 which controls the valve 38. A spring 78 surrounding this rod balances the weight of the handle 76 in the upper positions thereof, and acts to return the same from its extreme or lowest position. To entirely guard against any accident which might arise. from the confusion of these operating device", I preferably arrange them so that one will lock the other. For this purpose in the structure shown there is provided the angularly extending arm 79 on the foot lever 7d and the rod 80 extending downwardly from the hand lever 76 and guided adjacent the extension 79 by the eye 81 on the frame 1. The length of the rod 80 is so chosen that when the hand lever is raised it will just be clear of the arc of swing of the exten'ion 7.) but if the handle 76 is depressed the end will cross this are. Similarly the angle between the lever 74 and its extension 79 is such that when the lever is elevated the extension 79 will be clear of both the up and down movement of the rod 80 but when the lever 74: is depressed the extension 79 will lie in the path of the red. It will be apparent therefore that when the hand lever is depressed to move the valve rod 77 to the left and so initiate the action of the horizontal hammer that the rod 80 will positively lock the foot lever in elevated position and prevent movement of the vertical hammer and that similarly when the foot lever is depressed the hand lever is held elevated.

I have already explained that the construction of the main valve 3334. is such that the horizontal hammer cannot be operated until after the closing of the clamping jaws 8 and 10. I may provide, however, a further safeguard illustrated in Fig. 1 and in Fig. 1 wherein the machine is shown with a part of the frame which is made rc- Inovable to provide access to the toggle mechanism removed to disclose the interior. Connected to the cross head 12 of the clamp operating mechani m is a vertical standard 82 which carries the pin 83 projecting through the frame closely adjacent the valve operating rod 77. On the rod 77 is an extension 84: arranged to contact with the pin 83. The pin is so proportioned that when the cross head 12 is in its lowermost position and the clamp therefore'closed the end of the pin will be out of the path of horizontal movement of the extension 84 when the valve rod 77 is shifted. However, if the clamp is not completely closed the pin will contact with the extension St and stop further movement of the valve rod and thus prevent movement of the valve so far to the left as to uncover theport leading to the horizontal hammer. Consequently there is no danger of the hammer operating while the clamp is open.

In Fig. 1 I have also shown a lever 85 pivoted on the frame and with a bifurcated cud or claw 86 which swings substantially in line with the meeting faces of the closed jaws 8 and 10 of the clamp 2. This lever may conveniently be used for drawing drill studs or pins inserted in hollow drill steel to expander hold expanded the axial opening therein. In operation the protruding end of the. stud. or pin is placed on the lower j aw and the lever 76 depressed sufiiciently to close the clamp 2 but preferably not enough to start hammer 4 although no harm can come from the action of the latter. The drill steel may then be seized by the claw and drawn free from the stud by movement of the lever 85.

I have described the particular form of machine shown in the drawings in some detail with specific mention of the various me chanical constructions shown therein. In most instances, however, the particular mechanisms are merely typical of those which might be used to accomplish similar results. I wish to point out particularly the simplicity of the device and the security of action. All parts will operate eiiiciently but are so coordinated with one another that the machine is practically fool-proof and there can be no question of injuring the machine or the operator. Furthermore, the very operation of the machine acts to keep it in good condition for doing the best work.

The features of novelty which I claim as my invention and desire to secure by Letters Patent are:

1. In a forging machine, a plurality of forging mechanisms, means forcontrolling the same, and means operative when one of said mechanisms is started to preclude starting of the other.

2. In a forging machine a plurality of forging mechanisms, and means for control ing said mechanisms inhibiting simultaneous operation thereof.

In a forging machine, a plurality of forging mechanisms, means for controlling .aid mechanisms. and interlocking connections between said controlling means inhibiting simultaneous operation of said mechanisms.

4. In a forging machine, two forging mechanisms, separate means for controlling said me 'hanisms, separate means for actuating at will each of said first mentioned means, and means associated with said last mentioned means operative, on operation. of one of the same to cause its respective controlling means to cause operation of the forging mechanism controlled thereby, to preclude operation initiating action of the other.

5. In a forging marhine, a swaging mechanism, a juxtaposed upsetting mechanism, and means for controlling said mechanisms operative to effect operation of either of said mechanisms. singly but to prevent their simultaneous operation.

(3. In a forging machine, an upsetting mechanism for steels, a clamp adapted to hold said steelsduring upsetting, a swaging mechanism adjacent said upsetting mechanism, but nearer the front of the machine than the latter,and controllingmeans for said swaging mechanism and for said upsetting mechanism comprising means for preventing the operation of the former when the latter is working.

7. In a forging machine, an upsetting mechanism for steels including fluid oper-' ated work holding and hammering mecha nisms, a juxtaposed fluid operated swaging mechanism, and controlling means for said mechanisms including means for inhibiting their simultaneous operation.

S. In a forging machine, an upsetting mechanism for steels including fluid operated work holding andhammering mechanisms, a juxtaposed fluid operated swaging mechanism, controlling means for said mechanisms including means for effecting operation of said work holding mechanism to grip a Work piece and operation of said hammering mechanism in the order named and means for starting said swaging mechanism, and means operative on operation of said second means to effect the events stated, to prevent operation of said third mentioned means to start said swaging mechanism.

9. A device of the class described, having two automatically actuated forging devices, a lever to start and stop each device, one of said levers carrying a projection movable therewith to obstruct the path of the other to starting position except when the former is in stopping position.

.10. A device of the class described having two automatically actuated forging devices, a lever to start and stop each, device, said levers having cooperating portions, each adapted when the corresponding. lever is in starting position to obst-ruct'the movement of the other lever from stopping position.

11. A device of the, class described comprising a work-holding clamp having a movable jaw, a forging mechanism, pressure fluid actuated means to operate the clamp and forging medianisnna movable valve to terminate said action and to cause the opening of said clamp on reverse movement, and means controlled by the position of said jaw positively to limit the travel of said valve member when said clamp is open.

12. A device of the class described comprising a Work-holding clamp having a movable jaw, a forging mechanism, pressure fluid actuated means to operate the clamp and forging mechanism, a movable valve member controlling said means arranged at successive points of its travel to cause the closure of said clamp and to initiate action of said forging mechanism and successivelyto terminate said action and to cause the opening of said clamp on reverse moven'ient, and a member. moving With said jaw and forming an abutment to limit the travel of said valve member when said clamp is open. V

13. In a forging machine, a work holding clamp having .a movable jaw, a forging mechanism, and means operative only when said jaw is in clamping position to effect operation of said forging mechanism, said means including an actuating arm and a cooperating relatively movable link which is common to said clamp and forging mechanism.

14. A deviceofthe class described comprising a Work holding clamp having a movable jaw, a forging mechanism, and means controlled by the movement of said jaw to inhibit actuation of said mechanism When said clamp is open.

15. A device of the class described comprising a work holding clamp having a movable jaw, a forging mechanism, controlling means for the same, and meanscontrolled by the movement of said, jaw to prevent forging mechanism operation initiating action of said controlling means when said clamp is open.

16. A device of the class described comprising a work holding clamp having a movable jaw, a pressure fluid actuated forging mechanism, a controlling valve therefor, and means controlled by the movement of said javv to prevent forging mechanism operation-initiating action of said valve when said clamp is open.

17. A device of the class described comprising a Work holding clamp having a movable jaw, a forging mechanism, controlling means forthe same, and a member moving with said jaw to obstruct the forging mechanism operation-initiating movement of said controlling means When said clamp is open.

18. A device of the class described comprising a work holding clamp having a movable jaw, a pressure fluid actuated forging mechanism, a controlling valve therefor, and a member moving with said-jaw to obstruct the forging mechanism operation-initiating movementof said valve when said clamp is open.

19. In a drill sharpening machine, a stationary and a movable jaw and means for effecting relative movement thorebetween, hammering means adjacent said jaws, control devices for said aw moving means and said hammering means, said control devices being separately operable, and means for precluding the operation of one of the means controlled by said control devices while the other is in motion including a plurality of cooperating members having relative movement in angularly disposed directions operatively' connected to said controlling devices.

20. A drill sharpening machine comprising stationary and movable jaws, fluid actuatcd means cooperating therewith, and means for effecting successive operation of said jaws and fluid actuated means including a plurality of cooperating members having relative movement in one direction 'during one of said operations and in another direction to effect the other operation.

21. A drill sharpening machine comprising a movable jaw and a member movable therewith having a controlling surface. a lever for controlling said aws having means adapted to cooperate with said controlling surface to limit the operation of said lever, and means whereby said surface is adapted 'to be free from controlling said lever.

22. In a device of the class described, a work holder, a vertical hollow support having an opening in the side thereof and disposed adjacent said work holder, and a vertically disposed fluid pressure actuated forging mechanism held by said support in operative relation to said work holder and so positioned with respect to said opening that the exhaust fluid from said mechanism is discharged directly into said support, said support having a fluid discharge opening adjacent said. work holder.

23. In a device of the class described, a work holder, a hollow support adjacent the same, fluid pressure actuated forging mechanism held by said support in operative relation to said work holder, means whereby the exhaust fluid from said mechanism is discharged into said support, said support having a fluid discharge opening adjacent said work holder, and means to regulate'the proportion of the fluid received in said support delivered at said discharge.

24;. In a device of the class described, an anvil, a hollow support having a fluid discharge opening adjacent said anvil, forging mechanism held by said support and cooperating with said anvil, said forging mechanism including a hammer and afluid pres- Lea ues sure motor for reciprocating said hammer, said motor exhausting into said support, and a valve for discharging any desired portion of the fluid in said support independently of said opening.

25. In a device of the class described, an anvil, a hammer cooperating therewith having an exhaust port, means for supporting said hammer and having an opening so arranged t'hat said exhaust port will discharge exhaust fluid directly into said opening, and means for automatically maintaining a cleaning blast upon said anvil when said hammer is in operation.

26. In a forging machine, a work holding member, a fluid operated hammer cooperating therewith comprising a casing having an exhaust port therein, and a hollow support on which said hammer is removably mounted, said hollow support having an opening terminating at thesurface of one side thereof,'and said hammer casing having a supporting surface cooperating with said other surface whereby said exhaust port and open ingwill register.

27. In a forging machine, an anvil, a ver tically disposed fluid operated hammer cooperating therewith and having a casing with an exhaust port therein, and a vertical support having an opening terminating in the surface of one side thereof, said casing being mounted upon said support, and having a supporting surface cooperating with. said other surface to maintain said exhaust port and opening in register.

28. A forging machine comprising an anvil, a vertically disposed fluid operated hammer cooperating therewith, said hammer having a casing with a supporting surface and fluid conducting passage means associated therewith, means for blowing a blast of air on said anvil to clean the same comprising a vertical hollow support havino an offset portion at the upper end t-hereo and also provided with a supporting surface in which a fluid conducting passage terminates, and means for removably supporting said hammer casing on said support by mating said surfaces, said fluid conducting passages being in register.

29. A forging machine comprising a work holding member, means for directing a blast of cleansing fluid across the same comprising a fluid operated hammer cooperating therewith and having a casing with a fluid couducting passage therein, .and a support on which said casing is removably mounted, said support having an opening in one side thereof, said casing and support having cooperating supporting surfaces, and said opening and fluid conducting passage being so disposed with respect to said surfaces that the same will be in register when said sup porting connection is made.

30. A forging machine comprising a work holding member, a vertically disposed fluid operated hammer cooperating therewith, and means for directing a blast of cleansing fluid for said work holding member and for supporting said hammer comprising a hol low support having a vertical Opening therein, means whereby exhaust fluid from said motor discharges into said opening, and a downwardly inclined opening in said support disposed at the lower corner thereof adjacent the work holder.

31. A device of the class described comprising a pair of members carrying complementary work clamping jaws, power means to move relatively said members and jaws, means for discharging a cleansing blast against a desiredmember of said device, and means whereby the source of said cleansing blast is automatically controlled by said power means. r

32. A device of the class described comprising a pair of members carrying complementary work clamping jaws collectively presenting an opening, power means to move relatively said members and jaws, means for discharging a cleansing blast through said opening, and means whereby the source of said. cleansing blast is automatically controlled by said power means to allow the pressure of said source to be operative only when said jaws and members are moved 33. A device of the class described comprising a pairof members carrying complementary worr clamping jaws collectively presenting an opening, pressure fluid actuated operating means to move relatively said members and jaws. and means to direct the exhaust from said operating means through said opening to clean the same, the exhaust from said operating means occur ring only before or after a work piece held by saidjaws is operated upon.

34. A device of the-class described comprising work holder, mechanism to retain it in operative relation to the work, and means for automatically discharging a cleaning blast upon the work engaging surfaces of the holder when said retaining mechanism is actuated.

.A device of the class described comprising a work holder, mechanism to retain it in operative relation to the work, and means for automatically discharging a cleansingblast upon the work engaging surfaces of the holder when said retaining mechanism is actuated, said latter operation taking place only before or after a work piece which is operatively held by said work holder is operated upon.

'36. A forging machine comprising a work clamping device having relatively movable jaws, mechanism for varying the distance lwween the jaws to release and clamp a .vork piece, and means for automatically discharging a full cleansing blastover the clamping surfaces of said jaws substantially only when tl e latter are actuated.

37. A forging machine comprising a work clamping device having coacting jaws, pres sure fluid actuated mechanism for varying the distance between the jaws to release and. clamp a work piece, and means to direct the exhaust fluid from said mechanism across the elan'iping surfaces of said aws.

38. In a device of the'class described, a work holding clamp, means for opening and closing said clamp and for holding the same closed, forging mechanism for operating upon work held by said clamp when the latter is closed, and means for automatically discharging a full cleaning blast upon said clamp substantially only when it is opened.

39. A device of the class described comprising work clamping jaws, telescoping members respectively supporting the same, relative movements of said telescoping members eflecting relative movements of said jaws, fluid operated means for effecting relative movements of said'members, and means to cause operating fluid to pass over the telescoping surfaces of said members upon actuation of said fluid operated means.

40. A device of the class described comprising work clamping jaws, telescoping members respectively supporting the same, relative movements of said telescoping members effecting relative movements of said jaws, fluid operated means for effecting relative movements of said members, and means to direct exhaust fluid from said fluid operated means over the telescoping surfaces.

41.111 a forging mechanism, a frame, a clamping member means for moving said clamping member relative to said frame including a tension member movable in a bearing in said frame, and means for directing a'cleansing blast along said bearing.

4-2. Ina forging mechanism, a frame, a clamping member and means for moving said clamping member relative to said frame including a member movable in a bearing in said frame, said frame providing a coredpassage surrounding said member adjacent a said bearing, and means for directing oil laden gaseous fluid through said cored passage and along said bearing.

43. A device of the class described comprising a work holding clamp, a forging mechanism, pressure fluid opera-ted means for actuating both of the same, a valve chest having opposed valve engaging surfaces,

and valvemechanism having means in recip- I rocable engagement with said surfaces to close said clamp and allow initial forging action.

l-l-l A device of the class described comprising a work holding clamp, a forging mechanism. pressure fluid operated means for actuating both of the same, a valve chest valve mechanism having means slidingly engaging said surfaces to control said ports and adapted to sequentially control said clamp and forging mechanism.

45. A device of the class described comprising a plurality of cooperating pressure fluid operated means, means for sequentially controlling the same including longitudinal- 1y movable valve mechanism, and a single valve actuating rod connected thereto for effecting said sequential operation.

46. A device of the class described comprising a plurality of cooperating pressure fluid operated means, means for sequentially controlling the same including a single longitudinally movable valve mechanism, and means for actuating said valve.

4 A forging machine comprising a plurality of cooperating pressure fluid operated means, means for sequentially controlling the same including longitudinally movable valve mechanism and a single valve actuating lever and rod operatively connected to said mechanism for effectin said sequential operation.

48. A device of the class described comprising a Work holding clamp, a forging mechanism, pressure fluid operated means for actuating the same, a valve chest common to said means, and a valve mechanism reciprocable therein and comprising two valve members positively connected for reciprocation in unison, said valve mechanism being adapted at successive points in its travel to close said clamp and to initiate forging action and successively on reverse movement to terminate forging action and to open said clamp.

49. A device of the class described com? prising a Work holding clamp, a forging mechanism, pressure fluid operated means for actuating the same, a valve chest common to said means, a valve mechanism reciprocable therein and comprising two valve members positively connected for reciprocation in unison, and a lever for moving said valve mechanism, the continued movement of said lever in one direction acting successively to close said clamp and to initiate forging action and the reverse movement acting successively to terminate forging action and to open said clamp.

50. A device of the class described comprising a Work holding clamp, a forging mechanism, pressure fluid operated means for actuating the same, a valve chest common to said means, ports disposed at opposite sides of said chest leading to said means respectively, a valve mechanism reciprocable in said chest comprising a portion to obturate the ports leading to the clamp act-uating means and a portion to obturate the ports leading to the actuating means for the forging mechanism, and a spring interr edbetw on sa po i n hold them in operative relation to the sides of the al che a d v lve m cha sm b i g constructed andarranged at successive points in i t vel to cl s said. la p a to i tiate forging action and successively on re? verse movement to terminate forging action and to open said clamp.

51. A device of the class described compri ng a or hol ing amp, rg g mechanism, pressure fluid operated means for actuating the same, a valve chest common ,to said means, ports disposed at opposite sides of said chest leading to said means respectively, and a valve n'iochanism reciprocable in said chest comprising a portion to obturate the ports leading to the clamp actuating means and a portion to ,obturate the ports leading to the actuating means for the forging mechanism, said portions being resiliently pressed apart against the sides of the valve chest, said valve mechanism being constructed and arranged at successive points in its travel to close said clamp and to initiate forging action and successively on reverse movement to terminate forging action and to open said clamp.

52. A device of the class described comprising telescoping members carrying Work clamping jaws, pressure fiuid operated mechanism to actuate said members, means to introduce lubricant into the fluid supplied to said mechanism, and -means to direct the exhaust fluid from said mechanism over the telescoping surfaces.

53. A device of the class described C0111. prising a Work clamping device having separable jaws, a linkage for operating said jaws, fluid pressure operated mechanism, means to introduce lubricant into the fluid supplied to said mechanism, a receptacle having out-lets opening above said linkage, and means to discharge the exhaust fluid from said mechanism into said receptacle.

54:. In combination With a forging ma chine including a work clamping device having separable jaws and a forging mechanism arranged to act on ork held by such jaws, a lever pivoted adjacent said jaws and having an operating handle and a cla-W arranged to move to and from said clamping device substantially in line With the opening between its aws.

55. In a forging machine, clamping mech? anism, upsetting mechanism operative upon Work clamped thereby, cooperating swaging i-mechanism, a single oiler, and means for supplying lubricant therefrom to each of said mechanisms including means whereby said supplyis controlled by fluid pressure automatically in accordance With the operation of a plurality of said mechanisms.

56. In a forging machine, pneumatic clamping mechanism, pneumatic upsetting mechanism operating upon Work clamped loo thereby, a pressure fluid supply, an oil supply communicating therewith, and'means for distributing oil laden pressure fluid to each of said mechanisms including common lubricant controlling means controlled by each of said mechanisms. r

57. I11 a forging machine, pneumatic clamping mechanism, pneumatic upsetting mechanism operating upon work clamped thereby, pneumatic cooperating swaging mechanism, a pressure fluid supply, an oil supply communicating therewith, and means for distributing oil laden pressure fluid to each of said mechanisms automatically in accordance with fluid discharged from said mechanisms.

58. In a forging machine, means for lubricating operating elements thereof com prisinga lubricant chamber, means for con ducting oil ladened pressure fluid thereto and therefrom to the working parts to be lubricated, and means whereby the ratio between the oil conducted to and from said chamber is automatically controlled.

59. A forging machine having means for lubricating working parts thereof, said means comprising a chamber, means for conducting an oil laden pressure fluid thereto, means whereby a portion of said oil is separated from said pressure fluid, and means whereby said pressure fluid is adapted to flow from said chamber to the parts to be lubricated. I

60. A forging machine having means for lubricating the working parts thereof, said means comprising a fluid operatedmechanism, and means for conducting oil ladened. actuating fluid from said mechanism to various parts to be lubricated.

61. A forging machine having means for lubricating the Working parts thereof, said means comprizing a fluid operated mechanism, means for conducting oil ladened actuating fluid from said mechanism to various parts to be lubricated, and means for controlling the amount of oil carried to the working part by said pressure fluid.

62. A forging mechanism having means for lubricating a working part thereof comprising an oil reservoir adapted to provide a relatively widely extended oilsurface, and

means for conducting a gaseous fluid over the surfaces of the oil therein and whereby pressure fluid leaving said reservoir will convey lubricant to said working part.

, A forgingmachine having means for lubricating a working part. thereof, said means comprising a frame providing a chamber, means for conducting oil ladened exhaust pressure fluidfto said chamber and to cause the oil to impinge upon a surface thereof to separate oil from said fluid, and means for lubricating said working part withoil from said chamber.

'in said frame above said bearing surface, and

a port leading from said reservoir to said bearing surface whereby oil is fed thereto by gravit i i 66. A forging machine comprising an oil reservoir, a working part to be lubricated disposed below said reservoir, a port leading from said reservoir to a working surface of said part whereby oil is fed to said working surface by gravity, and means for conducting lubricant from said rez ervoir to another part to be lubricated comprising means for passing a gaseous fluid over the surface of the oil in said reservoir and then to said latter part.

67. A forging machine comprising a frame, a lubricant reservoir formed in said frame, a working part dispoz'ed below said reservoir and having sliding engagement with a portion of said frame constituting a bearing surface and at the same time forming a bottom wall to said lubricant reservoir, said bearing surface receiving thrust from said working part at one stage of its movement, and means for lubricating said surface by a gravity feed of the lubricant in said reservoir. I

68. A forging machine comprising a lubricant reservoir having a bottom the lower surface of which constitutes a guiding surface, a cooperating guided member disposed below said'reservoir having slidable engagement with said surface, means for lubricating said surface by a gravity feed of the lubricant in said reservoir, and means for supporting other suitable forging mechanism on thetop of said reservoir.

,69. A forging machine comprising .a frame, a working part movable along a bearing surface thereof, said bearing surface receiving thrust from said working part at one stage of its movement, and means for lubricating said surface comprising a fixed lubricant passage terminating therein, and a passage in said movable member adapted to have intermittent communication therewith.

70. A forging machine comprising a supporting surface, a movable member slidingly engaging the same, means for lubricating said. surface comprising a fixed lubricant passage, a passage in said movable member ai'lapted to have communication therewith, and means for controlling the lubricant flowing through said lubricant passage.

71. A forging machine comprising a reciprocable member, a member-having pivotal bearing connection therewith, a clamp actuating element to which said latter member is also pivotally connected for actuation of said element, means whereby the second pivot normally moves substantially at right angles to the path of reciprocation of said other member, means slidably engaging said reciprocable member to support the same, and means for lu ricating the first mentioned pivot and said reciprocable member including means providing a lubricant passage, and a lubricant passage in said reciprocablc member communicating with the pivotal bearing, said latter passage having intermittent communication with said other lubricant passage.

72. A forging machine comprising a reciprocable member, a member havin's pivotal bearing connection therewith, a clamp actuating element to which said latter member is also pivotally connected for actuation of said element, means whereby the clamp actuating element normally moves substantially at right angles to the path of reciprocation of said other member. means slidably engaging said reciprocable member to support the same, and means for lubricating the first mentioned pivot and said reciprocable member including means providing a lubricant passage, and a lubricant passage in said reciprocable member communicating with the pivotal bearing, said'latter passage having intermittent communication with said other lubricant passage, all of said elements being so arranged that said passages intercommunicate when pressure between the slidably engaged members is at a minimum.

78. In a forging machine, pneumatic clamping mechanism including clamping dies, pneumatic swaging mechanism including swaging dies, a pressure fluid supply, a V

lubricant supply communicating therewith, means for supplying lubricant laden pressure fluid to said mechanisms, and means for utilizing the exhaust further to lubricate said mechanisms and to cleanse said dies.

74. A device of the class described comprising clamping mechanism, a fluid pressure motor for operating said clamping mechanism, means for supplying lubricant laden pressure fluid to said motor, and means for delivering the exhaust from said motor to said clamping mechanism to lubricate the same.

75. A device of the class described comprising clamping mechanism, mechanism for operating said clamping mechanism, a pressure actuated motor for forging work clamped by said clamping mechanism, means for supplying a lubricant laden fluid supply to said motor, and means'for separating the lubricant from the exhaust from' said motor and supplying the lubricant to said clamp operating mechanism. 7

76. A device of the class described com prising clamping mechanism, a fluid pressure motor for operating said clamping mechanism, means for forging work held by said clamping mechanism, a fluid pressure motor for operating said forging means, means for supplying lubricant laden pres sure fluid to said motors, and means for delivering the exhaust from both of said motors to said clamping mechanism to lubricate the same. i

77. In combination, clamping mechanism, mechanism for operating the same, a. pres sure actuated motor for forging work clamped thereby, means for supplying a lubricant laden fluid supply to said motor, and means for supplying lubricant to said operating mechanism including a motor exhaust receiving chamber having a rib therein and a port leading to said mechanism.

78.1n a device of the class described, clamping mechanism including a movable clamping member, mechanism for moving said member including a reciprocating block and a cooperating pivoted link, and means for lubricating the joint between said block and link including a lubricating chamber disposed above said block and communicating lubricating passages in said block and the wall of said chamber leading to the surface of said block and to the pivot of said link.

7 9. In a forging machine, work clamping mechanism, a power operated forging motor having a hammer, a reciprocable distance piece having one end disposed in the path of said hammer, a dolly engageable with the work clamped in said work clamping mechanism and with the opposite end of said distance piece, and a removable stop member disposed between'said dolly and said motor.

80. In a forging machine, work clamping mechanism, a power operated forging motor having a hammer, a reciproca-ble distance piece having one end disposed in the path of said hammer, a dolly fitting over the opposite end of said distance'piece and engage able with the work clamped in said clamping mechanism, anda stop member pivoted on said motor and having one end disposed between the front end thereof and the rear end of said dolly.

81. In a machine ofthe class described, work clamping mechanism, forging mecha nism for operating upon work clamped therein, controlling mechanism for said mechanisms including valve mechanism and a single valve controlling lever having a single valve actuating rod attached thereto, said lever being adjustable successively into a lit) plurality of positions successively to set said mechanisms in operation, and counter-bal ancing means for maintaining said lever in an intermediate position.

82. In a machine of the class described, work clamping mechanism, forging mechanism for operating upon work clamped thereby, controlling means operable to effect sequential operation of said mechanism or to effect one operation of said clamping mechanism, said means including a controlling lever having controlling means attached thereto and always simultaneously movable therewith, and counterbalancing means for maintaining said lever in an intermediate position to effect one of said operations.

83. In a machine of the class described, work clamping mechanism, forging mecha nism for operating upon work clamped therein, controlling mechanism for said mechanisms including avalve casing, a valve, and a single valve controlling lever positively connected with said valve and adjustable successively into a plurality of positions successively to set said mechanisms in operation, and means including a spring disposed betweensaid lever and said valve casing for maintaining said lever in an intermediate position of adjustment and returning said lever fromits extreme position of adjustment to an intermediate position of adjustment. V

84:. In a forging machine, work clamping mecianism having separable jaws, forging mechanism operable upon the work clamped between said jaws, controlling mechanism for said clamping and forgingmechanisms including a single controlling lever pivoted adjacent said jaws, and a pin pulling lever having a claw movable substantially longitudinally of the line of contact of said. jaws and pivoted adjacent said jaws and said controlling lever and movable in a plane substantially parallel to the latter.

85. In a forging machine, work clamping mechanism having separable jaws, forging mechanism operable upon the work clamped between said jaws, controlling mechanism for said clamping and forging mechanisms including a controlling lever pivoted adjacent said jaws, and apin pulling lever having a claw movable substantially longitudinally of theline of contact of said jaws, said lever being movable about the same axis as said controlling lever.

86. A forging machine comprising relatively movable jaws, a plurality of drill steel forming means associated therewith,

and fluid hammers for actuating each of said means, said jaws during cooperation with said means allowing the latterto perform a plurality of drill steel forming operations.

87. A forgingmachine comprising clamping mechanism having relatively movable jaws, and a plurality of means associated therewith tov perform a plurality of drill steel forming operations, the axes of said means being laterally' disposed relative to each other.

88. A forging machine comprising relaperform a plurality of drill steel forming" operations, one of said means comprising means whereby a hole forming pin may be removed! from a hollow steel.

89-. A forging machine comprising relatively movable clamping jaws, and a plurality of impact means each having an impact element movable in a longitudinal di rection, said means being adapted to cooperate with said jaws to perform a. series of drill steel forming operations.

90.,A forging machine comprising relatively movable clamping jaws, and a plurality of impact forming means adapted to cooperate with said jaws to perform a series of drill steel forming operations, said impact forming means having their longitudinal axes offset from one another.

91. In a machine of the class described, work clamping mechanism, forging mechanism for operating upon the clamped work, cooperating forging mechanism, controlling mechanism for effecting successive opera-. tion of said clamping and first mentioned forging mechanisms including a pivoted lever, controlling mechanism for effectmg operation of said last mentioned forging mechanism including a bellcrank lever, and means for' interlocking said controlling mechanisms including a movable connection between said pivoted lever and said bell crank lever.

92. In a machine of the class described, a frame, clamping mechanism thereon comprising a plurality of parallel columns reciprocable through said frame, a crosshead carried on the lower end of said columns, a clamping die disposed on said frame between said columns, a second crosshead carried on the upper end of said columns, a clamping die carried on said second crosshead cooperating with the first mentioned clamping die, and means adjustable from the upper ends of said columns whereby the parts may be adjusted vertically into a plurality of operative positions. V

93. Ina machine of the class described, a frame, clamping mechanism thereon comprising a plurality of rotatable parallel columns reciprocable through said frame, a crosshead carriedon the lower end of said columns, nuts threaded on said columns beneath said cross head, a clamping die'disposed on said frame between'said columns, a second crosshead carried on the upper end of said columns into which the latter are threaded, and a clamping die carried on said second crosshead cooperating with the first mentioned clamping die.

9 1-. In a machine of the class described, a frame, clamping mechanism thereon comprising a plurality of rotatable parallel columns reciprocable through said frame, a crosshead carried on the lower end of said columns, nuts threaded on said columns beneath said crosshea'd, a clamping die disposed on said frame betwen said columns, a secondcrosshead carried on the upper end of said columns into which the latter are threaded, a clamping die carried on said second crosshead cooperating with the first mentioned clamping die, said columns having non-circular upper ends whereby the parts may be adjusted vertically, and a spanner bridging the interval between said columns and seated over said ends.

'95. Inla machine of the character described, clainping mechanism comprising a pair of dies, a movable head by which one of said dies is carried, means for supporting and operating said head, means whereby said head may be adjusted relative to said supporting and operating means comprising a plurality of rotatable members, and means for engaging and turning said members to adjustsaid head, said means normally .connecting said members to hold the same against rotary movement.

00. In a machine of the character described, a'frame, clamping mechanism thereon comprising a plurality of parallel columns reciprocable through said frame, a crosshead carried on the lower ends of said columns, a clamping die disposed on said frame between said columns, a second crosshead carried on the upper ends of saidcolunms, a clamping die carried on said second crosshead and'cooperating with said first mentioned clamping die, and means for relatively adjusting said crossheads on said columns.

97. In a drill sharpener, the combination with ahollow support, of a work device including. a movable member, a. motor for actuating the movable member including a cylinder and a piston operating therein, means for supplying motive fluid to the motor, and exhausting it therefrom, and

means for directing the exhaust into the hollow support, said support having an outlet port and a second port arranged to direct a portion of the exhaust against the work.

98. In a forging machine, a plurality of successively operative fluid motor operated dies, a pressure fluid supply, a lubricant supply communicating therewith, means for supplying lubricant laden pressure fluid to said motors, and means for utilizing the exhaust fluid from said motors to cleanse said dies;

99. In a forging machine, a fluid motor, cooperating dies one of which is moved by said motor, fluid supply means for said motor, fluid exhaust means for said motor comprising ahollow frame member into whose interior said motor exhausts, a valve controlled passage connecting the interior of said frame with the atmosphere, and means for conducting a blast of fluid from said hollow frame member to said dies.

V 100. In a forgingmachine, a fluid motor, cooperating dies one of which is moved by said motor, fluid supply means for said motor, fluid exhaust means for said motor com prising a hollow frame member into whose interior said motor exhausts, passage forming means connecting the interior of the frame with the atmosphere and means cooperating therewith to vary the: effective flow area thereof, and means for conducting a blast of fluid from said hollow frame mem her to said dies.

101. In a forging machine, clamping mechanism comprising clamping dies, a fluid i-ressure die operating motor, means for supplying lubricant laden pressure fluid to said motor, and means for delivering the exhaust from said motor to said clamping mechanism to lubricate and cleanse the same.

"102. In a forging machine, a fluid motor, cooperating dies one of which is moved by said motor, fluid supply means for said motor, fluid exhaust means therefor including means for directing a portion of the exhaust on said. dies and for conducting the remain der to atmosphere at a different point, and means for varying the ratios of the exhaust fluid discharged by said two means.

103. In a forging machine, a fluid motor, cooperating dies one of which is moved by said motor, fluid supply means for said motor,fluid exhaust means therefor including means for directing a portion of the exhaust on said dies and for conducting the remainder to atmosphere at a different point, and means for varying the ratios of the exhaust fluid discharged by said two means including means for varying the flow area of said conducting means.

104. A device of the class described comprising clamping mechanism, means including a fluid pressure motor for operating on work held inv said clamping mechanism, means for supplying lubricant. laden pressure fluid to said motor, and means for deliver-- ing the exhaust therefrom to said clamping mechanism to lubricate the same.

105. In a forging machine, a frame carrying work clamping mechanism and swaging mechanism, the operative portions of each of said mechanisms being substantially in the same vertical plane, the latter being disposed adjacent one end of the former on said frame and being provided with means for supporting it on said frame permitting access to said clamping mechanism from th side and also from said end. 106. In a forging machine, a frame carrying work clamping mechanism and swaging mechanism, the latter being disposed adjacent one end of the former on said frame and comprising stationary and movable dies and being also provided with means for supporting it on said frame, said supporting means being arranged wholly at one side of the central vertical plane of said clamping mechanism.

107. A device of the class described comprising a work clamping device having separable jaws and means including a pressure fluid motor for operating said jaws, means to supply lubricant and operating fluid to said motor, and means including a separating chamber connected with said clamping device for receiving the lubricant laden exhaust-from said motor and delivering lubricant tosaid clamping device. i i

108. A device of the class described comprising work clamping jaws and operating mechanism therefor, means including a fluid jaws, means to supply lubricant and operating fluid to said motor, and means including a lubricant separating chamber and passage means connecting the latter with the clamp operating mechanism for receiving lubricant laden exhaust from said motor and delivering lubricant to said clamp operating mechanism.

109. In a drill sharpener, the combination of a work clamping means including a movable member and a motor for actuating the movable member, means for supplying motive fluid to the motor and exhausting it therefrom, and a nozzle connected to the.

motor exhaust for directing exhaust fluid against the work clamping means.

110. In a drill sharpener, the combination of awork clamping mechanism and means including a fluid operated-actuating motor for working upon a work piece held by said clamping mechanism, means for supplying oil ladened motive fluid to the motor and exhausting it therefrom, means to control the oil in the exhaust fluid and to lubricate a partof the clamping mechanism, and a nozzle connected to the motor exhaust for directing exhaust fluid against the work clamping mechanism.

111. In a forging machine, work clamping means, a movable dolly adapted to work upon a work piece clamped by said clamping means, a motor for actuating said dolly, and

able between the positions in which it respectively maintains the dolly in operative position and permits its removal. p 112. In a drill sharpening mechanism,

clamping dies, fluid pressure motors for causing said clamping dies to grip a work piece and said dolly to upset the same, throttle means for controlling said motors, and means operative to supply a blast of cleansing fluid to said dies after the throttle means is moved to position to stop the dolly and release the work piece. v j

113. In a drill. sharpening mechanism, clamping dies, a fluid operated dolly adapted to cooperate with a work piece clamped in said dies, a throttle valve controlling said dolly operation, and means controlled by said throttle while said dolly is out of operation for causing a'blast of cleansing fluid to be discharged across said dies.

114. A device of the class described comprising stationary and movable dies, a support for said jstationary'die, a member reciprocable in said support for moving said movable die, and means including means for discharging a blast of air for maintaining the cooperating sliding surfaces on said sup- I port and member clean. motor for operatmgupon work held in said said clamping mechanism, fluid motors respectively operating said clamping mechanism and said upsetting mechanism, a throttle operative on movement first to operate said clamping motor and thereafter to start said upsetting motor, and means on said machine operative in a predetermined position to hold said throttle from operative movement.

116. In a. drill sharpening mechanism,

means for clamping a drill steel and means.

for upsetting a steel including fluid motors for respectively operating said clamping and upsettlng means, separate valves controlling said motors, and a common lever for moving always simultaneously said valves acting to work the clamp before and release it after the upsetting means.

117. A forging mechanism comprising relatively movable vise jaws, power actuated means to cause relative movement of said jaws to clamp a work piece, and additional means for varying the relative operative position of said jaws.

118. A forging mechanism comprising a stationary frame having a vise jaw, a movable jaw cooperating therewith, actuating rods associated with said movable jaw, and means for adjusting said movable jaw on said actuating rods. means for maintaining said dolly in operative position, said latter means being pivot 119. A forging mechanism comprising a stationary and a movable vise jaw, means for actuating said movable jaw including a plurality of movable rods, and means for adjusting said movable jaw comprising means associated with said rods.

120. A forging mechanism comprising a normally stationary and a movable vise jaw, means for actuating said movable jaw ineluding a plurality of movable rods, and means for adjusting the relative operative relation of the jaws comprising rotatable means, and means for locking the same.

121. ii forging mechanism comprising'a base having a normally stationary jaw, a movable jaw and means for actuating the same including a rod rotatably mounted in said base, and means operative upon rotation of said rod for adjusting the relative operative relation between said jaws.

122. A forging mechanism comprising a base having a stationary jaw, a transversely disposed power actuated member, a plurality of rods having oneend thereof rot-atably mounted in said member and extending upwardly through said base, a movable jaw mounted upon the upper end of said rods, and means whereby said latter jaw is adapted to be adjusted relative to said stationary jaw upon rotation of said rods.

123. A forging mechanism comprising a base having a stationary jaw, a transversely disposed power actuated member, a plurality of rods having one end thereof rotatably mounted in said member and extending up wardly through and supported by said base, a movable aw mounted upon the upper end of said rods and adapted to be adjusted relative to said ationary jaw upon rotation of said rods, and means for locking said rods against rotation.

124. A forging mechanism comprising a base having a stationary jaw, a transversely disposed power-actuated member, a plurality of rods having one end thereof rotatably.

mounted in said. member and extending up wardly through said base, a movable jaw mounted upon the upper end of said rods and adapted to be adjusted relative to said stationary jaw upon rotation of said rods, and means for locking said rods against rotation including a member common to both rods. V

125. In a forging machine having a member to be cleaned, a fluid storage chamber having a port for directing fluid therefrom to said member, and an additional means which by decreasing the pressure of the fluid in said chamber is adapted to vary the volume of fluid flowing through said port without varying the opening of said port.

126. In a forging machine having a member to be cleaned, a fluid storage chamber having a port for conducting cleansing fluid therefrom, means for supplying fluid to said chamber, and means independent of. said port and supply means for controlling the flow through said port.

127. In a forging machine having a memher to be cleaned, a fluid storage chamber having a port for conducting cleansing fluid therefrom, and an adjustable port for conducting fluid from said chamber to the at mosphere.

128. In a forging machine, a plurality of I fluid actuated mechanisms, means forming a chamber common to each of said mechanisms to receive exhaust fluid therefrom, means for utilizing the exhaust fluid from said chamber, and means for interlocking haust fluid from only one of said mechanisms can be used at a time.

180. In a drill sharpening apparatus, the combination with relatively movable work elampingdies, of. a motor for moving the same, including a cylinder member and a piston operating therein and having op- .posed pressure surfaces, a fluid actuated dollying hammer for the work clamped by "the dies, a valve chest common to the motor and hammer and mounted on the cylinder member, said chest having a live fluid pres sure chamberfwith a supply port leading thereto and apressureport'leading there from to the'interior of the cylinder member on one side of the piston therein, said valve chest having another pressure port leading therefrom to the opposite side of said piston, a conduitleading from the valve chest on the outer side of the second pressure port, and a reciprocatory plunger valve in the chest that is movable to open successively the second pressure portand conduit to the pressure chamber in the order named and to close'them in the reverse order.

181. In a; drill sharpening apparatus, the combination withxrelatively movable work clamping dies, of a motor for effecting relative movement therebetween, a fluid actuated dollying hammer for, the work clamped by the dies, a valve chest common to the motor and hammer and provided with a motive fluid supply receiving port, an outlet supply port in communication with the dollying hammer and a second outlet supply port in communication with the motor, and a rectilinearly reciprocatory valve device in the valve chest movable to a position in which it cuts off communication between the supply receiving port and the other two ports, said valve device on movement in one dircction from said position being operative to uncover successively to communication with the receiving port, the outlet supply port to the motor and the outlet supply port to the dollying hammeiyand on movement in the opposite direction to interrupt the communiverse order.

' 132. In a drill sharpening apparatus, the

combination with relatively movable work clamping dies, of a motor for effecting relative movement therebet-ween, a fluid actuated dollying hammer for the Work clamped by the dies, a valve chest common to the motor andhammer and provided with a motive fluid supply receiving port, an outlet supply port in communication with the dollying hammer and a second outlet supply port incommunication with the motor, and a rectilinearly reciprocatory valve device ,in the valve chest, said outlet supply ports being at diametrically opposite sides of the path of reciprocatory movement of the valve device whereby said valve device is movable between certain of said ports, said valve device being movable to a position in which it cuts off communication between the supply receiving port and the other two ports and on movement in one direction from said position being operative to uncover successively to communication with the receiving port, the outlet supply port to the motor and the outlet supply port to the dollying hammer and on movement in the opposite direction to interrupt the communication with said outlet supply ports in reverse order. 7

133. In adrill sharpening apparatus, the combination with relatively movable work clamping dies, ofa motor for-effecting relative movement therebetween, a fluid actuated dollying hammer for the work clamped by V the dies, a valve chest common to the motor and hammer and provided with a motive fluid supply receiving port, an outlet supply port in communication with the dollying hammer and a second outlet supply port in communication with the motor, a rectilinearly reciprocatory valve device in the valve chest, said motive fluid supply, port and one of said outlet supply ports lying to one side of the path of reciprocatory movement of the valve device and the other of said outlet I supply ports lying to theopposite side of the path of said valve device whereby said valve device is movable between certain of said ports, and said valve device being movable to a position in which it cuts off communication between the supply receiving port and the'other two ports, and on movement in one directionfrom said position being operative to uncover successively to communication with the receiving port, the outlet supply portto the motor and the outlet supply port to the dollying hammer, and on movement in the opposite direction to interrupt the communication with said outlet supply ports in reverse order.

In testimony whereof, I have signed my name to this specification.

WADE, H. WINEMAN. 

